As we work together, you’ll find that our integrated approach to nonprofit fundraising generates superior results, both in terms of fundraising revenue and in community impact. Both kinds of results are important to us; in fact, it’s why we’re here.

Organizational development is a priority for you—and for us. You want to help build capacity in those you’re helping, and we want to help build capacity in your organization.

You believe in the value of what you’re doing—and we believe in the mission and value of nonprofit organizations to bring about change in individuals and society.

In working with donors, it’s your goal to start a relationship and engage for the long-term—and that mirrors our approach to your nonprofit.

We know fundraising is most effective with full stakeholder involvement, so we prioritize the increasing of corporate, board, and individual support. We want your relationship development and fundraising activities to make an impact, so we assess assignments and accept only those where we can help you make a measurable difference.

We understand that your mission drives all you do. And our mission is to support you.


Valeria Lassiter

Valeria Lassiter, founder and CEO

With more than 25 years of experience in designing and managing campaigns and strategies to advance relationships and grow revenue for organizations, Valeria Lassiter is described by clients as a top strategist. She has applied her analytical skills and considerable energies to support boards and executive leadership. In 2003, she formed Lassiter & Associates, LLC, a management consulting firm providing strategy, coaching, and training solutions for mission driven organizations.

Valeria also has worked in public affairs, community-based organizations, and corporate philanthropy. As an adjunct faculty with the Georgetown University Center for Public and Nonprofit Leadership Program, she has trained more than 1,000 executives in development and fundraising. She is a coach and trainer for the Building High Impact Nonprofits of Color program sponsored by JP Morgan Chase Foundation and hosted by Prosperity Now, and the SPARK Program to build an inclusive social entrepreneurship ecosystem sponsored by The Case Foundation and The Ewing Marion Kauffman Foundation.

Valeria holds a Bachelor of Arts degree in communications from East Carolina University, a Master of Divinity degree from Colgate Rochester Divinity School, and Master of Business Administration degree from Babson College. She is Vice Chair of the National Educators Association (NEA) Foundation, former member of the East Carolina University Foundation Board of Directors, and former chair of the Women’s Philanthropy Roundtable at East Carolina University. Valeria is a graduate of Leadership Montgomery County, Maryland.

She is the author of “Exploring the Experiences of Leaders of Color and Philanthropy”, March 2020, and “5 Things Nonprofits Can Control During Hyper Change” in April 2020.


Geri Reinhart Tse

Geri Reinhart Tse, Communications Strategist

Geri Reinhart Tse has more than 25 years of experience developing and executing strategic communications for nonprofit, government and corporate clients, including donor appeals that resulted in revenue growth. As a successful proposal writer/manager, she secured foundation grants and new business contracts. She has a keen ability to translate “big picture” goals and program details into effective and polished communications. Her success stems from her ability to communicate effectively among project stakeholders and creative personnel to ensure that objectives are met and no small detail is overlooked.

Her expertise also includes media production, public relations and project management. As producer, Geri secured and produced interviews with more than 50 African-American historic civil rights leaders, artists, educators, scientists and others, including Robert Lee Carter, Cissy Houston, Eartha Kitt, Parren Mitchell, Bob Moses, and Wyatt Walker. She holds a Bachelor of Science degree from the School of Journalism and Mass Communications at the University of Colorado.


Gail Arinzeh

Gail Arinzeh, Senior Consultant

Gail has over 10 years of corporate marketing, event management, and strategy experience. For over five years, she held various marketing communications, planning, and strategy positions with Comcast Corporation, most recently serving as Vice President, Marketing Communications and Competitive Strategy for the company’s Midwest Division.

She also served as director of marketing for Kmart Corporation, where she was responsible for building and executing national strategic, growth-oriented co-marketing programs with key Kmart vendors, external organizations, and celebrity partners.

Since 2011, she has served as Senior Consultant with Lassiter & Associates providing event design, planning, and management to advance client goals.

Gail holds a Bachelor of Business Administration degree in accounting from the University of New Mexico and a Master of Business Administration in marketing from the University of Michigan.


Luis Gomez, Marketing Assistant

Luis Gomez is a marketing professional with a focus on sales and digital marketing. He has over five years of experience working in retail sales with large brands such as New Balance. At Lassiter, Luis implements analytical strategies to help support fundraising and communications campaigns and business development.

He holds an Associates of the Arts degree in Business Management from Montgomery College, a Bachelor of Science degree in marketing from the University of Maryland, College Park, and continued studies in the master’s level program for Informational Systems at University of Maryland, College Park.

Luis is an avid sports fan. He likes to play and watch football, basketball, and baseball. Go Ravens!